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| Advantages and disadvantages of LCD light curing 3D printers |
| Update：2021-01-27 00:00:00 |
advantage:
High precision: it is easy to achieve a plane precision of 100 microns, which is better than the first generation of SLA technology and comparable to the current desktop DLP technology
Cheap price: Compared with the SLA and DLP of the previous generation technology, this cost performance is extremely outstanding. Simple structure: Because there is no laser galvanometer or projection module, the structure is very simple, and it is easy to assemble and maintain.
Universal resin: Due to the use of 405nm backlight, all DLP resins or most light-curing resins are theoretically compatible. Only be careful with some SLA special resins, which may not have good compatibility, mainly because of insufficient exposure. Print multiple parts at the same time without sacrificing speed, because this, like DLP technology, is a surface molding light source.
shortcoming:
There are very few LCD options: the LCD, the key component of this technology, needs to have good selective transmission of 405 light, and it must withstand the high-intensity baking of tens of watts of 405 LED lamp beads for several hours, as well as heat dissipation and resistance. temperature performance test. So not every LCD screen can be used. The above solutions have solved the important problem of LCD selection. At the same time, it is recommended that users be mentally prepared to burn the LCD screen and replace it. This LCD screen is a consumable part. |
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